package demo3;

public class Mouse implements Usb{
    @Override
    public void openDevice() {
        System.out.println("鼠标打开");
    }

    @Override
    public void offDevice() {
        System.out.println("鼠标关闭");
    }

    public void chick(){
        System.out.println("点击鼠标");
    }
}
